Fort Clark

Fort Clark can refer to the following locations in the United States, listed alphabetically by state:
 * Fort Clark Trading Post State Historic Site, North Dakota
 * Fort Clark, later Clarksville, Indiana
 * Fort Clark, built at 17thc. site of former Fort Crèvecoeur near Peoria, Illinois
 * Fort Osage (Fort Clark, Missouri), site of the Treaty of Fort Clark, ceding Osage Nation lands
 * Fort Clark, North Carolina, site of the Battle of Hatteras Inlet Batteries
 * Fort Clark, Texas, near Brackettville, Texas